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<FONT color="green">001</FONT>    /*<a name="line.1"></a>
<FONT color="green">002</FONT>     * Licensed to the Apache Software Foundation (ASF) under one or more<a name="line.2"></a>
<FONT color="green">003</FONT>     * contributor license agreements.  See the NOTICE file distributed with<a name="line.3"></a>
<FONT color="green">004</FONT>     * this work for additional information regarding copyright ownership.<a name="line.4"></a>
<FONT color="green">005</FONT>     * The ASF licenses this file to You under the Apache License, Version 2.0<a name="line.5"></a>
<FONT color="green">006</FONT>     * (the "License"); you may not use this file except in compliance with<a name="line.6"></a>
<FONT color="green">007</FONT>     * the License.  You may obtain a copy of the License at<a name="line.7"></a>
<FONT color="green">008</FONT>     *<a name="line.8"></a>
<FONT color="green">009</FONT>     *      http://www.apache.org/licenses/LICENSE-2.0<a name="line.9"></a>
<FONT color="green">010</FONT>     *<a name="line.10"></a>
<FONT color="green">011</FONT>     * Unless required by applicable law or agreed to in writing, software<a name="line.11"></a>
<FONT color="green">012</FONT>     * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.12"></a>
<FONT color="green">013</FONT>     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.13"></a>
<FONT color="green">014</FONT>     * See the License for the specific language governing permissions and<a name="line.14"></a>
<FONT color="green">015</FONT>     * limitations under the License.<a name="line.15"></a>
<FONT color="green">016</FONT>     */<a name="line.16"></a>
<FONT color="green">017</FONT>    <a name="line.17"></a>
<FONT color="green">018</FONT>    package org.apache.commons.math3.util;<a name="line.18"></a>
<FONT color="green">019</FONT>    <a name="line.19"></a>
<FONT color="green">020</FONT>    import org.apache.commons.math3.exception.DimensionMismatchException;<a name="line.20"></a>
<FONT color="green">021</FONT>    import org.apache.commons.math3.exception.NotStrictlyPositiveException;<a name="line.21"></a>
<FONT color="green">022</FONT>    import org.apache.commons.math3.exception.OutOfRangeException;<a name="line.22"></a>
<FONT color="green">023</FONT>    <a name="line.23"></a>
<FONT color="green">024</FONT>    /**<a name="line.24"></a>
<FONT color="green">025</FONT>     * Converter between unidimensional storage structure and multidimensional<a name="line.25"></a>
<FONT color="green">026</FONT>     * conceptual structure.<a name="line.26"></a>
<FONT color="green">027</FONT>     * This utility will convert from indices in a multidimensional structure<a name="line.27"></a>
<FONT color="green">028</FONT>     * to the corresponding index in a one-dimensional array. For example,<a name="line.28"></a>
<FONT color="green">029</FONT>     * assuming that the ranges (in 3 dimensions) of indices are 2, 4 and 3,<a name="line.29"></a>
<FONT color="green">030</FONT>     * the following correspondences, between 3-tuples indices and unidimensional<a name="line.30"></a>
<FONT color="green">031</FONT>     * indices, will hold:<a name="line.31"></a>
<FONT color="green">032</FONT>     * &lt;ul&gt;<a name="line.32"></a>
<FONT color="green">033</FONT>     *  &lt;li&gt;(0, 0, 0) corresponds to 0&lt;/li&gt;<a name="line.33"></a>
<FONT color="green">034</FONT>     *  &lt;li&gt;(0, 0, 1) corresponds to 1&lt;/li&gt;<a name="line.34"></a>
<FONT color="green">035</FONT>     *  &lt;li&gt;(0, 0, 2) corresponds to 2&lt;/li&gt;<a name="line.35"></a>
<FONT color="green">036</FONT>     *  &lt;li&gt;(0, 1, 0) corresponds to 3&lt;/li&gt;<a name="line.36"></a>
<FONT color="green">037</FONT>     *  &lt;li&gt;...&lt;/li&gt;<a name="line.37"></a>
<FONT color="green">038</FONT>     *  &lt;li&gt;(1, 0, 0) corresponds to 12&lt;/li&gt;<a name="line.38"></a>
<FONT color="green">039</FONT>     *  &lt;li&gt;...&lt;/li&gt;<a name="line.39"></a>
<FONT color="green">040</FONT>     *  &lt;li&gt;(1, 3, 2) corresponds to 23&lt;/li&gt;<a name="line.40"></a>
<FONT color="green">041</FONT>     * &lt;/ul&gt;<a name="line.41"></a>
<FONT color="green">042</FONT>     *<a name="line.42"></a>
<FONT color="green">043</FONT>     * @since 2.2<a name="line.43"></a>
<FONT color="green">044</FONT>     * @version $Id: MultidimensionalCounter.java 1382887 2012-09-10 14:37:27Z luc $<a name="line.44"></a>
<FONT color="green">045</FONT>     */<a name="line.45"></a>
<FONT color="green">046</FONT>    public class MultidimensionalCounter implements Iterable&lt;Integer&gt; {<a name="line.46"></a>
<FONT color="green">047</FONT>        /**<a name="line.47"></a>
<FONT color="green">048</FONT>         * Number of dimensions.<a name="line.48"></a>
<FONT color="green">049</FONT>         */<a name="line.49"></a>
<FONT color="green">050</FONT>        private final int dimension;<a name="line.50"></a>
<FONT color="green">051</FONT>        /**<a name="line.51"></a>
<FONT color="green">052</FONT>         * Offset for each dimension.<a name="line.52"></a>
<FONT color="green">053</FONT>         */<a name="line.53"></a>
<FONT color="green">054</FONT>        private final int[] uniCounterOffset;<a name="line.54"></a>
<FONT color="green">055</FONT>        /**<a name="line.55"></a>
<FONT color="green">056</FONT>         * Counter sizes.<a name="line.56"></a>
<FONT color="green">057</FONT>         */<a name="line.57"></a>
<FONT color="green">058</FONT>        private final int[] size;<a name="line.58"></a>
<FONT color="green">059</FONT>        /**<a name="line.59"></a>
<FONT color="green">060</FONT>         * Total number of (one-dimensional) slots.<a name="line.60"></a>
<FONT color="green">061</FONT>         */<a name="line.61"></a>
<FONT color="green">062</FONT>        private final int totalSize;<a name="line.62"></a>
<FONT color="green">063</FONT>        /**<a name="line.63"></a>
<FONT color="green">064</FONT>         * Index of last dimension.<a name="line.64"></a>
<FONT color="green">065</FONT>         */<a name="line.65"></a>
<FONT color="green">066</FONT>        private final int last;<a name="line.66"></a>
<FONT color="green">067</FONT>    <a name="line.67"></a>
<FONT color="green">068</FONT>        /**<a name="line.68"></a>
<FONT color="green">069</FONT>         * Perform iteration over the multidimensional counter.<a name="line.69"></a>
<FONT color="green">070</FONT>         */<a name="line.70"></a>
<FONT color="green">071</FONT>        public class Iterator implements java.util.Iterator&lt;Integer&gt; {<a name="line.71"></a>
<FONT color="green">072</FONT>            /**<a name="line.72"></a>
<FONT color="green">073</FONT>             * Multidimensional counter.<a name="line.73"></a>
<FONT color="green">074</FONT>             */<a name="line.74"></a>
<FONT color="green">075</FONT>            private final int[] counter = new int[dimension];<a name="line.75"></a>
<FONT color="green">076</FONT>            /**<a name="line.76"></a>
<FONT color="green">077</FONT>             * Unidimensional counter.<a name="line.77"></a>
<FONT color="green">078</FONT>             */<a name="line.78"></a>
<FONT color="green">079</FONT>            private int count = -1;<a name="line.79"></a>
<FONT color="green">080</FONT>    <a name="line.80"></a>
<FONT color="green">081</FONT>            /**<a name="line.81"></a>
<FONT color="green">082</FONT>             * Create an iterator<a name="line.82"></a>
<FONT color="green">083</FONT>             * @see #iterator()<a name="line.83"></a>
<FONT color="green">084</FONT>             */<a name="line.84"></a>
<FONT color="green">085</FONT>            Iterator() {<a name="line.85"></a>
<FONT color="green">086</FONT>                counter[last] = -1;<a name="line.86"></a>
<FONT color="green">087</FONT>            }<a name="line.87"></a>
<FONT color="green">088</FONT>    <a name="line.88"></a>
<FONT color="green">089</FONT>            /**<a name="line.89"></a>
<FONT color="green">090</FONT>             * {@inheritDoc}<a name="line.90"></a>
<FONT color="green">091</FONT>             */<a name="line.91"></a>
<FONT color="green">092</FONT>            public boolean hasNext() {<a name="line.92"></a>
<FONT color="green">093</FONT>                for (int i = 0; i &lt; dimension; i++) {<a name="line.93"></a>
<FONT color="green">094</FONT>                    if (counter[i] != size[i] - 1) {<a name="line.94"></a>
<FONT color="green">095</FONT>                        return true;<a name="line.95"></a>
<FONT color="green">096</FONT>                    }<a name="line.96"></a>
<FONT color="green">097</FONT>                }<a name="line.97"></a>
<FONT color="green">098</FONT>                return false;<a name="line.98"></a>
<FONT color="green">099</FONT>            }<a name="line.99"></a>
<FONT color="green">100</FONT>    <a name="line.100"></a>
<FONT color="green">101</FONT>            /**<a name="line.101"></a>
<FONT color="green">102</FONT>             * @return the unidimensional count after the counter has been<a name="line.102"></a>
<FONT color="green">103</FONT>             * incremented by {@code 1}.<a name="line.103"></a>
<FONT color="green">104</FONT>             */<a name="line.104"></a>
<FONT color="green">105</FONT>            public Integer next() {<a name="line.105"></a>
<FONT color="green">106</FONT>                for (int i = last; i &gt;= 0; i--) {<a name="line.106"></a>
<FONT color="green">107</FONT>                    if (counter[i] == size[i] - 1) {<a name="line.107"></a>
<FONT color="green">108</FONT>                        counter[i] = 0;<a name="line.108"></a>
<FONT color="green">109</FONT>                    } else {<a name="line.109"></a>
<FONT color="green">110</FONT>                        ++counter[i];<a name="line.110"></a>
<FONT color="green">111</FONT>                        break;<a name="line.111"></a>
<FONT color="green">112</FONT>                    }<a name="line.112"></a>
<FONT color="green">113</FONT>                }<a name="line.113"></a>
<FONT color="green">114</FONT>    <a name="line.114"></a>
<FONT color="green">115</FONT>                return ++count;<a name="line.115"></a>
<FONT color="green">116</FONT>            }<a name="line.116"></a>
<FONT color="green">117</FONT>    <a name="line.117"></a>
<FONT color="green">118</FONT>            /**<a name="line.118"></a>
<FONT color="green">119</FONT>             * Get the current unidimensional counter slot.<a name="line.119"></a>
<FONT color="green">120</FONT>             *<a name="line.120"></a>
<FONT color="green">121</FONT>             * @return the index within the unidimensionl counter.<a name="line.121"></a>
<FONT color="green">122</FONT>             */<a name="line.122"></a>
<FONT color="green">123</FONT>            public int getCount() {<a name="line.123"></a>
<FONT color="green">124</FONT>                return count;<a name="line.124"></a>
<FONT color="green">125</FONT>            }<a name="line.125"></a>
<FONT color="green">126</FONT>            /**<a name="line.126"></a>
<FONT color="green">127</FONT>             * Get the current multidimensional counter slots.<a name="line.127"></a>
<FONT color="green">128</FONT>             *<a name="line.128"></a>
<FONT color="green">129</FONT>             * @return the indices within the multidimensional counter.<a name="line.129"></a>
<FONT color="green">130</FONT>             */<a name="line.130"></a>
<FONT color="green">131</FONT>            public int[] getCounts() {<a name="line.131"></a>
<FONT color="green">132</FONT>                return MathArrays.copyOf(counter);<a name="line.132"></a>
<FONT color="green">133</FONT>            }<a name="line.133"></a>
<FONT color="green">134</FONT>    <a name="line.134"></a>
<FONT color="green">135</FONT>            /**<a name="line.135"></a>
<FONT color="green">136</FONT>             * Get the current count in the selected dimension.<a name="line.136"></a>
<FONT color="green">137</FONT>             *<a name="line.137"></a>
<FONT color="green">138</FONT>             * @param dim Dimension index.<a name="line.138"></a>
<FONT color="green">139</FONT>             * @return the count at the corresponding index for the current state<a name="line.139"></a>
<FONT color="green">140</FONT>             * of the iterator.<a name="line.140"></a>
<FONT color="green">141</FONT>             * @throws IndexOutOfBoundsException if {@code index} is not in the<a name="line.141"></a>
<FONT color="green">142</FONT>             * correct interval (as defined by the length of the argument in the<a name="line.142"></a>
<FONT color="green">143</FONT>             * {@link MultidimensionalCounter#MultidimensionalCounter(int[])<a name="line.143"></a>
<FONT color="green">144</FONT>             * constructor of the enclosing class}).<a name="line.144"></a>
<FONT color="green">145</FONT>             */<a name="line.145"></a>
<FONT color="green">146</FONT>            public int getCount(int dim) {<a name="line.146"></a>
<FONT color="green">147</FONT>                return counter[dim];<a name="line.147"></a>
<FONT color="green">148</FONT>            }<a name="line.148"></a>
<FONT color="green">149</FONT>    <a name="line.149"></a>
<FONT color="green">150</FONT>            /**<a name="line.150"></a>
<FONT color="green">151</FONT>             * @throws UnsupportedOperationException<a name="line.151"></a>
<FONT color="green">152</FONT>             */<a name="line.152"></a>
<FONT color="green">153</FONT>            public void remove() {<a name="line.153"></a>
<FONT color="green">154</FONT>                throw new UnsupportedOperationException();<a name="line.154"></a>
<FONT color="green">155</FONT>            }<a name="line.155"></a>
<FONT color="green">156</FONT>        }<a name="line.156"></a>
<FONT color="green">157</FONT>    <a name="line.157"></a>
<FONT color="green">158</FONT>        /**<a name="line.158"></a>
<FONT color="green">159</FONT>         * Create a counter.<a name="line.159"></a>
<FONT color="green">160</FONT>         *<a name="line.160"></a>
<FONT color="green">161</FONT>         * @param size Counter sizes (number of slots in each dimension).<a name="line.161"></a>
<FONT color="green">162</FONT>         * @throws NotStrictlyPositiveException if one of the sizes is<a name="line.162"></a>
<FONT color="green">163</FONT>         * negative or zero.<a name="line.163"></a>
<FONT color="green">164</FONT>         */<a name="line.164"></a>
<FONT color="green">165</FONT>        public MultidimensionalCounter(int ... size) throws NotStrictlyPositiveException {<a name="line.165"></a>
<FONT color="green">166</FONT>            dimension = size.length;<a name="line.166"></a>
<FONT color="green">167</FONT>            this.size = MathArrays.copyOf(size);<a name="line.167"></a>
<FONT color="green">168</FONT>    <a name="line.168"></a>
<FONT color="green">169</FONT>            uniCounterOffset = new int[dimension];<a name="line.169"></a>
<FONT color="green">170</FONT>    <a name="line.170"></a>
<FONT color="green">171</FONT>            last = dimension - 1;<a name="line.171"></a>
<FONT color="green">172</FONT>            int tS = size[last];<a name="line.172"></a>
<FONT color="green">173</FONT>            for (int i = 0; i &lt; last; i++) {<a name="line.173"></a>
<FONT color="green">174</FONT>                int count = 1;<a name="line.174"></a>
<FONT color="green">175</FONT>                for (int j = i + 1; j &lt; dimension; j++) {<a name="line.175"></a>
<FONT color="green">176</FONT>                    count *= size[j];<a name="line.176"></a>
<FONT color="green">177</FONT>                }<a name="line.177"></a>
<FONT color="green">178</FONT>                uniCounterOffset[i] = count;<a name="line.178"></a>
<FONT color="green">179</FONT>                tS *= size[i];<a name="line.179"></a>
<FONT color="green">180</FONT>            }<a name="line.180"></a>
<FONT color="green">181</FONT>            uniCounterOffset[last] = 0;<a name="line.181"></a>
<FONT color="green">182</FONT>    <a name="line.182"></a>
<FONT color="green">183</FONT>            if (tS &lt;= 0) {<a name="line.183"></a>
<FONT color="green">184</FONT>                throw new NotStrictlyPositiveException(tS);<a name="line.184"></a>
<FONT color="green">185</FONT>            }<a name="line.185"></a>
<FONT color="green">186</FONT>    <a name="line.186"></a>
<FONT color="green">187</FONT>            totalSize = tS;<a name="line.187"></a>
<FONT color="green">188</FONT>        }<a name="line.188"></a>
<FONT color="green">189</FONT>    <a name="line.189"></a>
<FONT color="green">190</FONT>        /**<a name="line.190"></a>
<FONT color="green">191</FONT>         * Create an iterator over this counter.<a name="line.191"></a>
<FONT color="green">192</FONT>         *<a name="line.192"></a>
<FONT color="green">193</FONT>         * @return the iterator.<a name="line.193"></a>
<FONT color="green">194</FONT>         */<a name="line.194"></a>
<FONT color="green">195</FONT>        public Iterator iterator() {<a name="line.195"></a>
<FONT color="green">196</FONT>            return new Iterator();<a name="line.196"></a>
<FONT color="green">197</FONT>        }<a name="line.197"></a>
<FONT color="green">198</FONT>    <a name="line.198"></a>
<FONT color="green">199</FONT>        /**<a name="line.199"></a>
<FONT color="green">200</FONT>         * Get the number of dimensions of the multidimensional counter.<a name="line.200"></a>
<FONT color="green">201</FONT>         *<a name="line.201"></a>
<FONT color="green">202</FONT>         * @return the number of dimensions.<a name="line.202"></a>
<FONT color="green">203</FONT>         */<a name="line.203"></a>
<FONT color="green">204</FONT>        public int getDimension() {<a name="line.204"></a>
<FONT color="green">205</FONT>            return dimension;<a name="line.205"></a>
<FONT color="green">206</FONT>        }<a name="line.206"></a>
<FONT color="green">207</FONT>    <a name="line.207"></a>
<FONT color="green">208</FONT>        /**<a name="line.208"></a>
<FONT color="green">209</FONT>         * Convert to multidimensional counter.<a name="line.209"></a>
<FONT color="green">210</FONT>         *<a name="line.210"></a>
<FONT color="green">211</FONT>         * @param index Index in unidimensional counter.<a name="line.211"></a>
<FONT color="green">212</FONT>         * @return the multidimensional counts.<a name="line.212"></a>
<FONT color="green">213</FONT>         * @throws OutOfRangeException if {@code index} is not between<a name="line.213"></a>
<FONT color="green">214</FONT>         * {@code 0} and the value returned by {@link #getSize()} (excluded).<a name="line.214"></a>
<FONT color="green">215</FONT>         */<a name="line.215"></a>
<FONT color="green">216</FONT>        public int[] getCounts(int index) throws OutOfRangeException {<a name="line.216"></a>
<FONT color="green">217</FONT>            if (index &lt; 0 ||<a name="line.217"></a>
<FONT color="green">218</FONT>                index &gt;= totalSize) {<a name="line.218"></a>
<FONT color="green">219</FONT>                throw new OutOfRangeException(index, 0, totalSize);<a name="line.219"></a>
<FONT color="green">220</FONT>            }<a name="line.220"></a>
<FONT color="green">221</FONT>    <a name="line.221"></a>
<FONT color="green">222</FONT>            final int[] indices = new int[dimension];<a name="line.222"></a>
<FONT color="green">223</FONT>    <a name="line.223"></a>
<FONT color="green">224</FONT>            int count = 0;<a name="line.224"></a>
<FONT color="green">225</FONT>            for (int i = 0; i &lt; last; i++) {<a name="line.225"></a>
<FONT color="green">226</FONT>                int idx = 0;<a name="line.226"></a>
<FONT color="green">227</FONT>                final int offset = uniCounterOffset[i];<a name="line.227"></a>
<FONT color="green">228</FONT>                while (count &lt;= index) {<a name="line.228"></a>
<FONT color="green">229</FONT>                    count += offset;<a name="line.229"></a>
<FONT color="green">230</FONT>                    ++idx;<a name="line.230"></a>
<FONT color="green">231</FONT>                }<a name="line.231"></a>
<FONT color="green">232</FONT>                --idx;<a name="line.232"></a>
<FONT color="green">233</FONT>                count -= offset;<a name="line.233"></a>
<FONT color="green">234</FONT>                indices[i] = idx;<a name="line.234"></a>
<FONT color="green">235</FONT>            }<a name="line.235"></a>
<FONT color="green">236</FONT>    <a name="line.236"></a>
<FONT color="green">237</FONT>            indices[last] = index - count;<a name="line.237"></a>
<FONT color="green">238</FONT>    <a name="line.238"></a>
<FONT color="green">239</FONT>            return indices;<a name="line.239"></a>
<FONT color="green">240</FONT>        }<a name="line.240"></a>
<FONT color="green">241</FONT>    <a name="line.241"></a>
<FONT color="green">242</FONT>        /**<a name="line.242"></a>
<FONT color="green">243</FONT>         * Convert to unidimensional counter.<a name="line.243"></a>
<FONT color="green">244</FONT>         *<a name="line.244"></a>
<FONT color="green">245</FONT>         * @param c Indices in multidimensional counter.<a name="line.245"></a>
<FONT color="green">246</FONT>         * @return the index within the unidimensionl counter.<a name="line.246"></a>
<FONT color="green">247</FONT>         * @throws DimensionMismatchException if the size of {@code c}<a name="line.247"></a>
<FONT color="green">248</FONT>         * does not match the size of the array given in the constructor.<a name="line.248"></a>
<FONT color="green">249</FONT>         * @throws OutOfRangeException if a value of {@code c} is not in<a name="line.249"></a>
<FONT color="green">250</FONT>         * the range of the corresponding dimension, as defined in the<a name="line.250"></a>
<FONT color="green">251</FONT>         * {@link MultidimensionalCounter#MultidimensionalCounter(int...) constructor}.<a name="line.251"></a>
<FONT color="green">252</FONT>         */<a name="line.252"></a>
<FONT color="green">253</FONT>        public int getCount(int ... c)<a name="line.253"></a>
<FONT color="green">254</FONT>            throws OutOfRangeException, DimensionMismatchException {<a name="line.254"></a>
<FONT color="green">255</FONT>            if (c.length != dimension) {<a name="line.255"></a>
<FONT color="green">256</FONT>                throw new DimensionMismatchException(c.length, dimension);<a name="line.256"></a>
<FONT color="green">257</FONT>            }<a name="line.257"></a>
<FONT color="green">258</FONT>            int count = 0;<a name="line.258"></a>
<FONT color="green">259</FONT>            for (int i = 0; i &lt; dimension; i++) {<a name="line.259"></a>
<FONT color="green">260</FONT>                final int index = c[i];<a name="line.260"></a>
<FONT color="green">261</FONT>                if (index &lt; 0 ||<a name="line.261"></a>
<FONT color="green">262</FONT>                    index &gt;= size[i]) {<a name="line.262"></a>
<FONT color="green">263</FONT>                    throw new OutOfRangeException(index, 0, size[i] - 1);<a name="line.263"></a>
<FONT color="green">264</FONT>                }<a name="line.264"></a>
<FONT color="green">265</FONT>                count += uniCounterOffset[i] * c[i];<a name="line.265"></a>
<FONT color="green">266</FONT>            }<a name="line.266"></a>
<FONT color="green">267</FONT>            return count + c[last];<a name="line.267"></a>
<FONT color="green">268</FONT>        }<a name="line.268"></a>
<FONT color="green">269</FONT>    <a name="line.269"></a>
<FONT color="green">270</FONT>        /**<a name="line.270"></a>
<FONT color="green">271</FONT>         * Get the total number of elements.<a name="line.271"></a>
<FONT color="green">272</FONT>         *<a name="line.272"></a>
<FONT color="green">273</FONT>         * @return the total size of the unidimensional counter.<a name="line.273"></a>
<FONT color="green">274</FONT>         */<a name="line.274"></a>
<FONT color="green">275</FONT>        public int getSize() {<a name="line.275"></a>
<FONT color="green">276</FONT>            return totalSize;<a name="line.276"></a>
<FONT color="green">277</FONT>        }<a name="line.277"></a>
<FONT color="green">278</FONT>        /**<a name="line.278"></a>
<FONT color="green">279</FONT>         * Get the number of multidimensional counter slots in each dimension.<a name="line.279"></a>
<FONT color="green">280</FONT>         *<a name="line.280"></a>
<FONT color="green">281</FONT>         * @return the sizes of the multidimensional counter in each dimension.<a name="line.281"></a>
<FONT color="green">282</FONT>         */<a name="line.282"></a>
<FONT color="green">283</FONT>        public int[] getSizes() {<a name="line.283"></a>
<FONT color="green">284</FONT>            return MathArrays.copyOf(size);<a name="line.284"></a>
<FONT color="green">285</FONT>        }<a name="line.285"></a>
<FONT color="green">286</FONT>    <a name="line.286"></a>
<FONT color="green">287</FONT>        /**<a name="line.287"></a>
<FONT color="green">288</FONT>         * {@inheritDoc}<a name="line.288"></a>
<FONT color="green">289</FONT>         */<a name="line.289"></a>
<FONT color="green">290</FONT>        @Override<a name="line.290"></a>
<FONT color="green">291</FONT>        public String toString() {<a name="line.291"></a>
<FONT color="green">292</FONT>            final StringBuilder sb = new StringBuilder();<a name="line.292"></a>
<FONT color="green">293</FONT>            for (int i = 0; i &lt; dimension; i++) {<a name="line.293"></a>
<FONT color="green">294</FONT>                sb.append("[").append(getCount(i)).append("]");<a name="line.294"></a>
<FONT color="green">295</FONT>            }<a name="line.295"></a>
<FONT color="green">296</FONT>            return sb.toString();<a name="line.296"></a>
<FONT color="green">297</FONT>        }<a name="line.297"></a>
<FONT color="green">298</FONT>    }<a name="line.298"></a>




























































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